![]() ![]() Following the fall of the Roman Empire, the addition of marble dust to plaster to allow the production of fine detail and a hard, smooth finish in hand-modelled and moulded decoration was not used until the Renaissance. ![]() ![]() The Romans used mixtures of lime and sand to build up preparatory layers over which finer applications of gypsum, lime, sand and marble dust were made pozzolanic materials were sometimes added to produce a more rapid set. Modelled stucco was employed throughout the Roman Empire. In ancient India and China, renders in clay and gypsum plasters were used to produce a smooth surface over rough stone or mud brick walls, while in early Egyptian tombs, walls were coated with lime and gypsum plaster and the finished surface was often painted or decorated. Often, walls and floors were decorated with red, finger-painted patterns and designs. Around 7500 BC, the people of 'Ain Ghazal in Jordan used lime mixed with unheated crushed limestone to make plaster which was used on a large scale for covering walls, floors, and hearths in their houses. The earliest plasters known to us were lime-based. For the art history of three-dimensional plaster, see stucco. The process of creating plasterwork, called plastering or rendering, has been used in building construction for centuries. Plasterwork is construction or ornamentation done with plaster, such as a layer of plaster on an interior or exterior wall structure, or plaster decorative moldings on ceilings or walls. ![]()
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